Da921 yosinthika aPC, min. Kugwira Channel: φ2.3mm, kutalika kogwira ntchito: 3000mm, Elecrical kukula 4.5kv. Salimira musanagwiritse ntchito, amasungunuka.
Kuchokera kukhazikitsidwa kwake, fakitale yathu yakhala ikupanga zinthu zoyambirira zapadziko lonse ndikutsatira mfundo
zabwino. Zogulitsa zathu zapeza mbiri yabwino kwambiri m'makampani ndi ofunikira pakati pa makasitomala atsopano ndi achikulire.